/**
 ********************
 * 切换类
 ***********************
 */
.switch {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.switch .items {
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}

.switch .items:after {
    display: block;
    content: '';
    clear: both;
}

.switch .items .item {
    float: left;
    height: 100%;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    overflow:auto;
}
